Home / 18,784.47-28,190.97-6,949.44

Finding the Fourth Proportional to 18,784.47, 28,190.97 and 6,949.44

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Solution

The fourth proportional to 18,784.47, 28,190.97 and 6,949.44 is: 10,429.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.47 : 28,190.97 = 6,949.44 : x
  2. Step 2: Convert to fraction form
    18,784.47/28,190.97 = 6,949.44/x
  3. Step 3: Cross multiply
    18,784.47x = 28,190.97 × 6,949.44
  4. Step 4: Simplify right side
    18,784.47x = 195,911,454.56
  5. Step 5: Solve for x
    x = 195,911,454.56/18,784.47
  6. Step 6: Final answer
    x = 10,429.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.